Tuesday, November 23, 2010

ANDROID Operating System

Android official logo


Android OS usage share


Data collected during two weeks ending on 1 November 2010
Other: 0.1% of devices running obsolete versions[141]

Platform
↓
API Level↓ Distribution↓
Android 2.2 (Froyo) 8 36.2%
Android 2.1 (Eclair) 7 40.8%
Android 1.6 (Donut) 4 15.0%
Android 1.5 (Cupcake) 3 7.9%



1.1
Released 9 February 2009


1.5 (Cupcake)
Based on Linux Kernel 2.6.27
On 30 April 2009, the official 1.5 (Cupcake) update for Android was released.[36][37]
There were several new features and UI updates included in the 1.5 update:[38]
  • Ability to record and watch videos through camcorder mode
  • Uploading videos to YouTube and pictures to Picasa directly from the phone
  • A new soft-keyboard with text-prediction
  • Bluetooth A2DP and AVRCP support
  • Ability to automatically connect to a Bluetooth headset within a certain distance
  • New widgets and folders that can populate the Home screens
  • Animated screen transitions

1.6 (Donut)
Based on Linux Kernel 2.6.29[39]
On 15 September 2009, the 1.6 (Donut) SDK was released.[40][41]
Included in the update were:[39]
  • An improved Android Market experience
  • An integrated camera, camcorder, and gallery interface
  • Gallery now enables users to select multiple photos for deletion
  • Updated Voice Search, with faster response and deeper integration with native applications, including the ability to dial contacts
  • Updated search experience to allow searching bookmarks, history, contacts, and the web from the home screen
  • Updated technology support for CDMA/EVDO, 802.1x, VPNs, and a text-to-speech engine
  • Support for WVGA screen resolutions
  • Speed improvements in searching and camera applications
  • Gesture framework and GestureBuilder development tool
  • Google free turn-by-turn navigation

2.0 / 2.1 (Eclair)
Based on Linux Kernel 2.6.29[42]
On 26 October 2009, the 2.0 (Eclair) SDK was released.[43]
Among the changes were:[44]
  • Optimized hardware speed
  • Support for more screen sizes and resolutions
  • Revamped UI
  • New Browser UI and HTML5 support
  • New contact lists
  • Better contrast ratio for backgrounds
  • Improved Google Maps 3.1.2
  • Microsoft Exchange support
  • Built in flash support for Camera
  • Digital Zoom
  • MotionEvent class enhanced to track multi-touch events[45]
  • Improved virtual keyboard
  • Bluetooth 2.1
  • Live Wallpapers
The 2.0.1 SDK was released on 3 December 2009.[46]
The 2.1 SDK was released on 12 January 2010.[47]


2.2 (Froyo)[48]
Based on Linux Kernel 2.6.32[49]
On 20 May 2010, the 2.2 (Froyo - Frozen Yogurt) SDK was released.[50]
Changes included:[51]
  • General Android OS speed, memory, and performance optimizations[52]
  • Additional application speed improvements courtesy of JIT implementation[53]
  • Integration of Chrome's V8 JavaScript engine into the Browser application
  • Increased Microsoft Exchange support (security policies, auto-discovery, GAL look-up, calendar synchronization, remote wipe)
  • Improved application launcher with shortcuts to Phone and Browser applications
  • USB tethering and Wi-Fi hotspot functionality
  • Added an option to disable data access over mobile network
  • Updated Market application with batch and automatic update features[52]
  • Quick switching between multiple keyboard languages and their dictionaries
  • Voice dialing and contact sharing over Bluetooth
  • Support for numeric and alphanumeric passwords
  • Support for file upload fields in the Browser application[54]
  • Browser can now display animated GIFs (instead of just the first frame)
  • Support for installing applications to the expandable memory[55]
  • Adobe Flash 10.1 support[56]

2.3 (Gingerbread)[57]
Based on Linux Kernel 2.6.33 or .34[49]
Confirmed new features of 2.3 (Gingerbread):
Unconfirmed new features:
  • Improved copy–paste functionalities[60]
  • Improved social networking features[61]
  • Android Market music store[62]
  • Media streaming from PC library[62]
  • Revamped UI[63]
  • Support for bigger screens with up to Wide XGA (1366×768) resolution[64]
  • New 3D Games support including new Marketplace area for gaming
  • Use of mksh for /system/bin/sh[65]
  • Support for video calls
  • Support for WebP image files
  • Support for Google TV

3.0 (Honeycomb)[66][67]
  • Scheduled for early 2011 launch. 
  • Feature list started with features that won't make the cut-off for Gingerbread  ? (Ice Cream)[68]
  • Supposed mid 2011 launch.[68]

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